LG K51S (K510EMW) vs Samsung Rex 70 (S3802)
Side by side comparison between LG K51S vs Samsung Rex 70 phones, differences, pros, cons and full specifications. What's the better?
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6.55"
IPS
IPS
720x1600
32
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
What's the better phone? LG K51S (K510EMW)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
26 Advantages 
3 Advantages | 8 Common items in both devices |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Proximity sensor |
| 2 slots (Dual-SIM) |
| 3.5mm jack |
| 802.11 a/b/g/n [wifi4] / 802.11 b/g/n [wifi4] |
| + specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Model | K51S (K510EMW) | Rex 70 (S3802) |
| Other model names | LG K51s LM-K510EMW, LMK510EMW (Dual-Sim + NFC) | Samsung Rex 70 Duos S3802 for India market |
| Country or region available |   (Europe), (Global, International) |  India |
| Brand | LG | Samsung |
| Release date | 4/1/2020 | 3/1/2013 |
| Depth | 8.26 millimeters (0.33 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 76.7 x 165.2 millimeters (3.02 x 6.5 in) | 57.2 x 104.9 millimeters (2.25 x 4.13 in) |
| Weight | 194 grams (6.79 ounces) | 89 grams (3.12 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.55" inches | 3" inches |
| Screen-to-body ratio | ~81.7% (screen-to-body ratio) | ~46.4% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 240x320 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 268 PPI | 133 PPI |
| Colors | 16 million | 65 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 400nits[typ] | feature not registered |
🤖 Operating System | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| System version | Android 9.0 Pie | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 32bit |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: Single-core XMM 2250m (Single-core) |
| GPU graphical controller | PowerVR GE8320 MP2 (680MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| RAM memory | 3GB LPDDR3 | feature not registered |
| Internal storage | 64GB (47GB available) eMMC 5.1 | 10MB |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/50 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Primary 4G network | LTE Cat6 (1, 3, 7, 8, 20) TD-LTE (38) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS |
📷 Camera | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Back camera (main camera) | (quad camera) 32 megapixels 5MP ultrawide f/2.216mm1.12μm115° 2MP macro f/2.422mm1.75μm88.6° 2MP depth f/2.41.75μm | 2 megapixels |
| Main camera resolution | 6528x4896 pixels | 1600x1200 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Supported |
| Flash | LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 24mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Front camera (secondary) | 13 megapixels | Not supported |
| Front camera resolution | 4128x3096 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 3.0 |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor | Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 1000 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 10.5 hours | 13 hours |
| Standby | 370 hours (15.4 days) | 490 hours (20.4 days) |
➕ Other features | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | feature not registered |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Titanium, Blue, Pink/Red • Silicone case included • Google Assistant (dedicated side button) • DTS:X 3D audio | • Colors: White, Gray, Blue • Samsung TouchWiz UI • ChatON • Opera browser • Facebook, Twitter, YouTube • Java framework |
☢️ Radiation rate | ||
| LG K51S (K510EMW) | Samsung Rex 70 (S3802) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |